Generally, septic tanks should be pumped every 3 to 5 years. However, this timeline can vary depending on various factors: Your household size: Larger households typically generate more wastewater load requiring more frequent pumping. If you have a smaller home, pumping may be needed less frequently.

The average cost to pump a septic tank ranges between $225 and $600. Septic tank inspections range from $150–$450. Depending on the type of repair, you can expect to pay $600–$3,000.

In general, a septic tank should be inspected every 1 to 3 years and pumped every 3 to 5 years. The frequency of pumping the septic tank depends on the tank size, number of people in the household, habits of water use as well as the amount of solids accumulated in the tank.

Septic cleaning is similar to septic pumping, but with one key difference. Whereas septic pumping deals with sucking out solid and sludges floating on the top of the tank, septic cleaning happens when you drain all of the water and clean out everything stuck to the bottom of the tank.